In the forty years in China, a great advance of gold assay was made in four aspects, namely, fire assay, wet assay, phase analysis and sampling and preparation of sample.
本文阐述了四十年来我国黄金分析在火法试金、黄金湿法分析、金的物相分析及取样与制样四个方面的进展。
The wet process consisted of roasting, sulfur acid pretreatment and chlorination leaching of gold is examined. The results show that gold leaching rate is 97.95% and silver leaching rate is 79.86%.
本研究采用焙烧-硫酸预处理-氯化湿法工艺从其中回收金，金浸出率为97.95%，银浸出率为79.86%，效果令人满意。
Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.
用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。
Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.
用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。
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